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Cited by 565

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Essential Biochemistry and Physiology of (NT-pro)BNP

Hall, Christian·2004·European Journal of Heart Failure

Abstract

Brain natriuretic peptide (BNP) is a 32 amino acid cardiac natriuretic peptide hormone originally isolated from porcine brain tissue. The human BNP gene is located on chromosome 1 and encodes the prohormone proBNP. The biologically active BNP and the remaining part of the prohormone, NT-proBNP (76 amino acids) can be measured by immunoassay in human blood. Cardiac myocytes constitute the major source of BNP related peptides. The main stimulus for peptide synthesis and secretion is myocyte stretch. Recently, cardiac fibroblasts have also been shown to produce BNP. Other neurohormones may stimulate cardiac BNP production in different cardiac cell types. In contrast to atrial natriuretic peptides (ANP/NT-proANP), which originate mainly from atrial tissue, BNP related peptides are produced mainly from ventricular myocytes. Ventricular (NT-pro)BNP production is strongly upregulated in cardiac failure and locally in the area surrounding a myocardial infarction. In peripheral organs BNP binds to the natriuretic peptide receptor type A causing increased intracellular cGMP production. The biological effects include diuresis, vasodilatation, inhibition of renin and aldosterone production and of cardiac and vascular myocyte growth. In mice BNP gene knockout leads to cardiac fibrosis, gene over-expression to hypotension and bone malformations. BNP is cleared from plasma through binding to the natriuretic peptide clearance receptor type C, but it seems relatively resistant to proteolysis by neutral endopeptidase NEP 24.11. Clearance mechanisms for NT-proBNP await further study. While the plasma concentration of NT-proBNP and BNP is approximately equal in normal controls, NT-proBNP plasma concentration is 2–10 times higher than BNP in patients with heart failure. This relative change in peptide levels may be explained by shifts in cardiac secretion and/or clearance mechanisms.

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Metadata

Authors
Hall, C.
Venue
European Journal of Heart Failure
Published
2004-03-01
Volume
6
Issue
3
Pages
257-260
ISSN
  • 1388-9842 (ISSN-L)
  • 1879-0844
OpenAlex
W2014112740
Cited by
565
References
16
FWCI
19.41
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Essential Biochemistry and Physiology of (NT-pro)BNP. https://app.cochat.ai/papers/10.1016/j.ejheart.2003.12.015
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Hall, C. (2004). Essential Biochemistry and Physiology of (NT-pro)BNP. European Journal of Heart Failure. https://doi.org/10.1016/j.ejheart.2003.12.015

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.